Configure Linux ( Ubuntu ) terminal to use socks proxy

[vinay kumar]

Recent developments in IITR are well known. I have created a socks server in my laptop to tunnel http, https traffic. All applications are working fine. There is no need to login into websense if packets are tunneled through socks server. I cant able to configure terminal in ubuntu to use socks proxy.

If anyone know about it, please provide me with syntax.

[Prakhar Singh]

Open up a terminal and edit your .bashrc (eg $ nano ~/.bashrc):

Add the following lines:

export http_proxy='http://127.0.0.1:8123'

export https_proxy=$http_proxy

export ftp_proxy=$http_proxy

export rsync_proxy=$http_proxy

Replace 'http://127.0.0.1:8123' accordingly.

Most programs look for the proxy variable. For example, curl would automatically use $http_proxy. There may be some which don't, for them you would have to configure the proxy specifically.

Restart your terminal (or use $ source ~/.bashrc)

[Prakhar Singh]

I forgot to add, if you want to keep these settings with sudo as well, edit the sudoers file ($ sudo visudo) and add:

Defaults env_keep += "http_proxy https_proxy ftp_proxy"

This retains the relevant variables. For security reasons, this isn't the default behaviour.

[vinay kumar]

What i have is SOCKS v5 proxy server. Am tunneling all my packets through SOCKS proxy.

My laptop -> SOCKS proxy installed on my laptop -> Campus websense HTTP proxy -> Internet.

It looks like they cant filter my traffic if i tunnel my connections through socks proxy.

I need syntax for SOCKS config. Not http. 

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[Soumitr Pandey]

Most terminal programs won't have support for socks proxies or tunneling. You'll need to use a different app to proxify your connection. Proxychains is pretty good at this.. 

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[Harshil Mathur]

You can use http://www.delegate.org/delegate/SOCKS/. It is a Socks server/client that can listen as a http proxy. Thus, you can use it as SOCKS Proxy but your terminal can connect to it as a HTTP Proxy.

See the third answer at http://unix.stackexchange.com/questions/71481/use-socks-proxy-for-commands-in-terminal . Not exactly your use case but can be modified to meet yours.

Harshil Mathur

[vinay kumar]

Thanks. This does the work for me.

http://glug.nith.ac.in/blog/?p=149 ; This have clear explanation on how to use it.

[vinay kumar]

I dont think delegate can do the work. Am having trouble connecting ssh connections via websense proxy.